Jamb 2020 Agriculture Past Questions And Answers
Which of the following nutrient element is a macro-nutrient?
- A. phosphorus
- B. zinc
- C. iron
- D. manganese
What is the main use of a gunter's chain?
- A. taking measurement of distance
- B. determining the depth of soil moisture
- C. calculating the slope of the land
- D. restraining bulls
The diagram below shows parts of a plough. Study it and answer this question. The part labelled I in the diagram is the
- A. hitch
- B. handle
- C. plough share
- D. mould board
A biotic factor influencing agricultural production is
- A. rainfall
- B. predator
- C. soil structure
- D. wind
Which of the following activities is correct about agricultural extension agent?
- A. teaching farmers the management of exotic breeds of animals and crops
- B. educating farmers on the use of improved inputs and techniques in agriculture
- C. training school leavers to become professional farmers
- D. encouraging graduates to take up agriculture as a profession
Study the diagram below and answer question The crop associated with the diagram below is?
- A. Theobroma cacao
- B. Zingiber officinale
- C. Hevea brasiliensis
- D. Gossypium hirsutum
Agricultural extension programme would succeed in disseminating new ideas to farmers except if the programme
- A. is based on research tested on local conditions
- B. involves the people for which the programme is planned
- C. involved only the support to highly trained agricultural extension specialist
- D. is not kept flexible to contemporary technology
From the curve below, at what point is it advisable for the farmer to stop further addition of input?
- A. I
- B. II
- C. III
- D. IV
Which of the following is not normally a pasture crop?
- A. mucuna
- B. centrosema
- C. stylosanthes
- D. giant star grass
Which of the following characteristics is not correct of pigs?
- A. prolific animals
- B. efficient feed converters
- C. source of meat
- D. source of land